Ken Griffin acquired 14.9 Thousand United Therapeutics shares worth $3.1 Million. That's 0.00% of their equity portfolio (2139th largest holding). The first United Therapeutics trade was made in Q2 2013. Since then Ken Griffin bought shares 41 more times and sold shares on 40 occasions. The stake costed the investor $1.98 Million, netting the investor a gain of 56% so far.